Sep 17, 2025 grunt ˈgrənt 1 syllable uncommon ‹ verb. to utter a grunt He didn't answer, only grunted."No," he grunted. verb. to utter with a grunt noun. the deep short sound characteristic of a hog blueberry grunt noun. a similar sound noun. any of a family (Haemulidae synonym Pomadasyidae) of chiefly tropical marine bony fishes › Origin Middle English, from Old English grunnettan, frequentative of grunian, of imitative origin.